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. Author manuscript; available in PMC: 2015 Apr 8.
Published in final edited form as: Psychol Addict Behav. 2009 Mar;23(1):105–112. doi: 10.1037/a0013536

Table 4. Incidence Risk Ratios for Each Form of Gambling, Negative Binomial Regression of SOGS-RA Symptom Count with Past-Year Gamblers (Weighted N =1535).

Female Male

Independent Variable1 IRR IRR IRR
Office pools, charity 1.56*
Lottery 1.64*
Pull tabs .77
Internet gambling 1.73
Casino gambling 2.52***
Bet on horse, dog 1.21
Gambling machines 1.50
Card games 3.14*** 11.04*** 2.17***
Games of skill 1.97***
Video keno 1.06
Bingo 1.11
Dice games 1.41
Sports betting 1.43
Sports cards .77
Other 2.22**
Gender 1.94***
Age .93
Socioeconomic Status .89**
**

Significant at .01 level

***

Significant at .001 level

1

0 = Not played in past year

1 = Played in past year